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Finding the Fourth Proportional to 506,502.20, 759,753.30 and 317,545.40

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Solution

The fourth proportional to 506,502.20, 759,753.30 and 317,545.40 is: 476,318.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,502.20 : 759,753.30 = 317,545.40 : x
  2. Step 2: Convert to fraction form
    506,502.20/759,753.30 = 317,545.40/x
  3. Step 3: Cross multiply
    506,502.20x = 759,753.30 × 317,545.40
  4. Step 4: Simplify right side
    506,502.20x = 241,256,165,549.82
  5. Step 5: Solve for x
    x = 241,256,165,549.82/506,502.20
  6. Step 6: Final answer
    x = 476,318.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.